Sanitary napkin



FIG. 1 is a perspective top view of an embodiment of a sanitary napkin, embodying the new design;

FIG. 2 is a top view of the design shown in FIG. 1;

FIG. 3 is a bottom view of the design shown in FIG. 1;

FIG. 4 is a front view of the design shown in FIG. 1; the back view is the same; and,

FIG. 5 is a side view of the design shown in FIG. 1.

Broken lines shown in the figures described above are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a sanitary napkin, as shown and described. 